2023÷2.5 [(9-)-8.2]÷30%
91.7-- 888×7-111×56
10%+7%=
72=
×=
÷8=
50%﹣0.3=
3.14×3=
2﹣15%=
6.28÷2=
365+199= 40÷90= 0.8÷10%= 5.98+0.2= 2.5×400=
- = ÷ = 1÷ = + = × ÷ × =
0.2×0.4=
16÷=
20-0.2=
3×9÷3×9=
-=
+50%=
5×(+)=
46.7+2.3-20=
①
②18×()
③9.4×+0.25×
④
⑤
⑥()×29×23